Home / 30,235.92-45,299.49-28,456.95

Finding the Fourth Proportional to 30,235.92, 45,299.49 and 28,456.95

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Solution

The fourth proportional to 30,235.92, 45,299.49 and 28,456.95 is: 42,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.92 : 45,299.49 = 28,456.95 : x
  2. Step 2: Convert to fraction form
    30,235.92/45,299.49 = 28,456.95/x
  3. Step 3: Cross multiply
    30,235.92x = 45,299.49 × 28,456.95
  4. Step 4: Simplify right side
    30,235.92x = 1,289,085,321.96
  5. Step 5: Solve for x
    x = 1,289,085,321.96/30,235.92
  6. Step 6: Final answer
    x = 42,634.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.